Cognomen วุฒิธำรง (วุฒิธำรง, Wultithamrong, Wudruthaithamrong 
) , around the globe, is an extremely rare family name. The surname วุฒิธำรง is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Wuttitamrong, Wudruthaithamrong | Thailand |